The Uninterruptible Power Supply, UPS 3RPQ60KA supplies battery supported ,230V, 60Hz three phase output to ships loads. The UPS comes with a transformer isolated rectifier, battery, inverter and static switch.
The ship’s 440V 3phase 60Hz supply and provides power to the rectifier. It also supplies the inverter and recharges the battery. During normal operation, the rectifier float charges the battery and supplies the DC input to the inverter. The inverter then supplies the output. Finally, when the input supply fails the battery supplies the DC input to the inverter that continues to supply the output. When the mains returns the rectifier recharges the battery.
As required for naval applications the UPS is meets necessary ruggedness in terms of shock, vibration and EMC requirements. The unit is designed for front operation and maintenance. It also has an ingress protection rating of IP23. Finally, the main power electronic sub-assembly is built onto slides to enable easy withdrawal from the unit for maintenance.
Key Features of the UPS 3RPQ60KA
- Dimensions: (O/A)(hxwxd) mm 230V, 3 phase, 60Hz, 60kVA, 60kW
- Weight: 975kg
- IP23 Ingress Level Protection
- Low fire hazard
- Meets shipboard vibration requirements
- Withstands ship motion due to sea action, weather and accelerations and velocities from deliberate ship manoeuvres.
- Input: 440 volts 3 phase 3 wire 60Hz in accordance with STANAG 1008 Edition 8
- Output: 230V, 3 phase, 60Hz, 60kVA, 60kW
- Fabricated mild steel enclosure folded and welded for strength. Deck mounted with top steadies. Lifting eyes are provided.
- Cooling: Cooling by convection and louvres of sufficient size are provided for this purpose. Individual cooling fans for power assemblies are provided. Please allow unrestricted airflow around the unit.
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